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Quantum 1402 www.quantumrehab.com 39
VIII. CARE AND MAINTENANCE
4. Locate the two wiring harnesses that are attached to the batteries.
5. Disconnect the two harnesses from their respective quick disconnects by pulling the quick disconnects toward
you.
6. Remove the batteries from the power base assembly.
7. Disconnect the battery harnesses from the positive and negative terminals.
8. Replace the old batteries with new ones.
9. Connect the wire labeled BAT (+) to the positive (red) terminal of one battery.
10. Connect the wire labeled BAT (-) to the negative (black) terminal of the same battery.
11. Install the battery into the rear of the battery tray with the battery terminals facing inward, toward the center of
the power chair. Plug the wiring harness into a quick disconnect.
12. Connect the wire labeled BAT (+) to the positive (red) terminal of the other battery.
13. Connect the wire labeled BAT (-) to the negative (black) terminal of the same battery.
14. Install the battery into the front of the battery tray with the battery’s terminals facing inward, toward the center
of the power chair. Plug the wiring harness into a quick disconnect.
WARNING! Make sure you tighten the fasteners so that the connections are secure.
15. Replace the foot frame using the detent pin to secure.
When to See Your Quantum Rehab Specialist for Service
The following symptoms could indicate a serious problem with your power chair. If necessary, contact your
Quantum Rehab Specialist. When calling, have the model number, serial number, nature of the problem, and
the trouble code if available.
! Motor noise
! Frayed harnesses
! Cracked or broken connectors
! Uneven wear on any of the tires
! Jerky motion
! Pulling to one side
! Bent or broken wheel assemblies
! Does not power up
! Powers up, but does not move
To replace the battery:
1. Turn off the power to the controller.
2. Remove the detent pin from the bottom of the foot frame. See figure 17.
3. Lift the foot frame straight up to remove it from the mounting bracket.
Battery Replacement
A diagram is printed on a decal on the power chair frame near the battery tray.